#ifndef __USART3_H
#define __USART3_H 
#include "sys.h"
#include "stdio.h"	  

#define USART3_MAX_RECV_LEN		1024
#define USART3_MAX_SEND_LEN		1024
#define USART3_RX_EN 			1

extern u8  USART3_RX_BUF[USART3_MAX_RECV_LEN];
extern u8  USART3_TX_BUF[USART3_MAX_SEND_LEN]; 
extern vu16 USART3_RX_STA;

void usart3_init(u32 bound);
void u3_printf(char* fmt,...);
#endif	   

